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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 | 21x 21x 21x 21x 21x 1x 21x 21x 21x 21x 1x 1x | import defined from "./defined.js";
/**
* Describes a compressed texture and contains a compressed texture buffer.
* @alias CompressedTextureBuffer
* @constructor
*
* @param {PixelFormat} internalFormat The pixel format of the compressed texture.
* @param {PixelDatatype} pixelDatatype The pixel datatype of the compressed texture.
* @param {number} width The width of the texture.
* @param {number} height The height of the texture.
* @param {Uint8Array} buffer The compressed texture buffer.
*/
function CompressedTextureBuffer(
internalFormat,
pixelDatatype,
width,
height,
buffer,
) {
this._format = internalFormat;
this._datatype = pixelDatatype;
this._width = width;
this._height = height;
this._buffer = buffer;
}
Object.defineProperties(CompressedTextureBuffer.prototype, {
/**
* The format of the compressed texture.
* @type {PixelFormat}
* @readonly
* @memberof CompressedTextureBuffer.prototype
*/
internalFormat: {
get: function () {
return this._format;
},
},
/**
* The datatype of the compressed texture.
* @type {PixelDatatype}
* @readonly
* @memberof CompressedTextureBuffer.prototype
*/
pixelDatatype: {
get: function () {
return this._datatype;
},
},
/**
* The width of the texture.
* @type {number}
* @readonly
* @memberof CompressedTextureBuffer.prototype
*/
width: {
get: function () {
return this._width;
},
},
/**
* The height of the texture.
* @type {number}
* @readonly
* @memberof CompressedTextureBuffer.prototype
*/
height: {
get: function () {
return this._height;
},
},
/**
* The compressed texture buffer.
* @type {Uint8Array}
* @readonly
* @memberof CompressedTextureBuffer.prototype
*/
bufferView: {
get: function () {
return this._buffer;
},
},
/**
* The compressed texture buffer. Alias for bufferView.
* @type {Uint8Array}
* @readonly
* @memberof CompressedTextureBuffer.prototype
*/
arrayBufferView: {
get: function () {
return this._buffer;
},
},
});
/**
* Creates a shallow clone of a compressed texture buffer.
*
* @param {CompressedTextureBuffer} object The compressed texture buffer to be cloned.
* @return {CompressedTextureBuffer} A shallow clone of the compressed texture buffer.
*/
CompressedTextureBuffer.clone = function (object) {
if (!defined(object)) {
return undefined;
}
return new CompressedTextureBuffer(
object._format,
object._datatype,
object._width,
object._height,
object._buffer,
);
};
/**
* Creates a shallow clone of this compressed texture buffer.
*
* @return {CompressedTextureBuffer} A shallow clone of the compressed texture buffer.
*/
CompressedTextureBuffer.prototype.clone = function () {
return CompressedTextureBuffer.clone(this);
};
export default CompressedTextureBuffer;
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